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Grid halo #141
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Here a jupyter notebook in which I try to detect duplicate cells in most of the CMIP6 ocean model grids: |
@sol1105 I just saw some code from the Met Office for removing the halo from their own models. I am just noting it here in case it is of use to us. It uses NCO:
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The missing value problem with data from CESM2-FV2 has to be addressed in a daops/dachar fix as it results from a not set The general issue with the halo has been solved in #243 :
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Description
Climate model data can be provided on grids that feature a halo, which are duplicated columns at the eastern and/or western bounds of the model grid (eg. MPI-ESM1-2-LR/HR MPIOM). Here is a quote from the NEMO ocean engine document:
The cyclical case is sketched here:
The data on the halo grid points might influence the clisops operators:
Regarding the halo there are two more issues:
A first way to identify the unique columns of a grid
Looking forward to your comments and suggestions :)
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